#!/bin/env python
# -*- coding: utf-8 -*-
##############################################################
#查看存在binlog的目录位置并找出3天前的最后一个bin-log文件名字
#删除3天以前的binlog文件，删除之后data1目录挂载的硬盘使用率超
#过的80%的话，继续删除2天前的日志文件，至少保留一天的日志。
##############################################################
import os,sys,time,
MySQLdb
def log_w(text):
logfile = "/usr/local/zabbix/bin/delet.log"
now = time.strftime("%Y-%m-%d %H:%M:%S")
tt = now + "t" + str(text) + "n"
f = open(logfile,'a+')
f.write(tt)
f.close()
def mysql_conn(port,lastlog,days):
try:
center_ip = '127.0.0.1'
center_user = 'repl_monitor'
center_passwd = 'VQMQLGwTaw3k0UV8'
sql = "PURGE MASTER LOGS TO '%s';" % lastlog
conn = MySQLdb.connect(host = center_ip,port = int(port),user = center_user,passwd = center_passwd,connect_timeout=5)
cursor = conn.cursor()
cursor.execute(sql)
alldata = cursor.fetchall()
cursor.close()
conn.close()
text = "Deltet before %s days binlog,deltet %s before !" % (days,lastlog)
log_w(text)
except Exception,e:
log_w(e)
def find_logdir():
conn = "find / -name binlog|grep -v usr"
logdir_list = os.popen(conn).readlines()
if len(logdir_list) != 0:
for logdir in logdir_list:
datadir = logdir.strip().split("/")[1]
if "mysql_log" in logdir.strip():
port = 3306
else:
port = logdir.strip().split("/")[3].split("-")[-1]
days = 3
while 1:
conn = "find %s -mtime %s|sort" % (logdir.strip(),days)
count = os.popen(conn).readlines()
if len(count) != 0:
lastlog = count[-1].strip().split("/")[-1]
mysql_conn(port,lastlog,days)
df = "df -h|grep -e '%s$'|
linuxjishu/13830.html target=_blank class=infotextkey>awk '{print $5}'|awk -F '%%' '{print $1}'" % datadir
disk = os.popen(df).read().strip()
if not disk:
break
else:
if int(disk) < 80:
break
else:
days = days - 1
if days == 1:
break
else:
sys.exit()
if __name__ == "__main__":
find_logdir()
